Vehicle-tire.



J. F. ROBINSON.

VEHICLE TIRE. APPLxcVATxoN man onc.13.1911.

Patented Sept. 23, 1919.

'j-frialfwhich willl not puncture easily under ordinary circumstances. In practlce, I have JAMES F. ROBINSON, OF MINNEAPOLIS, MINNESOTA.

VEHICLE-TIRE.

- Specification of Letters Patent. Patentedsept. 23, 1919.

. Application led Becember 13, 1917. Serial No. 206,867.

To 'all @hom it may concern .f .Be 1t known that I, JAMES F. ROBINSON,

a citizen of the United States, and a resident of the -city of Minneapolis', in vthe -county of Hennepin. and State of -Minnesota, haveinvented a certain new and useful Improvement in"Vehicle-Tires,- of which the following is a specification:

r provisionyof a simple and eiiicient protecti ywill prevent conducting excessive heats to b I v substantially one-half of it around the 1n- .lng lmeans to 'be inserted between the inner tube and casing of a pneumatic vehicle tirev 'for protecting the inner. tube and giving long life to the' tire construction.

` A, further object is the provision-of a tire construction of the, kind' mentioned, which the inner arbe of the are.

Other. objects, will appear hereinafter.'

An embodiment of mylin'venti'on is shown in the "accompanying drawingV forming a party of this '-specification, and in which,

'- Figure l is a fragmental'longitudinal-section of fa'. pneumatic'veliicle tire embodying my invention, 1 s

Fig, 2 is a cross section of the same taken on line22 of Fig.l 1,- and 4 V FigA v3 is a'viewsixnlar-to Fig. 2, except that a" modified coltllti'on is shown.v Referringmore"'particularly` to the :draw- I' have shown an outer casing 5 -and' ari".l

inner tube 6 which mayv be'of any' ordinary or preferred construction. The inner `tube 6 is. provided with an air valve 7 'alto of.

any.' preferred or ordinary construction'and secured to the tube 6 in' any desired manner,-

such as that now ordinarly employed in the Between the casing 5 and the inner tube 6, I provide a protector member 8 which may be vof ia'ny comparativelyhard, flexible mate'- 'foundthat fiber p' serves this vpurpose admir-ably. The main requisites of this material are that-the material must be ilegible so as not to interfere with the iexibility ofw the tire and possess such lasting qualities as will not deteriorate or become broken 1n use. I vpreferably vinsert -a cushloning material -9 between the inner tube 6 and protecting.

member 8 and between the protecting member 8 and the casing 5. This cushioning material should be of heat insulating material so as to prevent the heats incident to the friction of the casing on road `surfaces being communicated to the inner tube. This material 9 also cushions the inne-r tube so that the protector member will not chafe or abrade the inner tube in use.. In this connection the longitudinal' edges 10 of the protector member 8 are preferably rounded, as indicated clearly in the drawing, so that therewill be no cutting edges.

Tbe'protecting member 8 may be made annular and bent in cross section, as indicated in Figs. 2 and 3, or it may be made of-an elongated. piece bent in cross section -to theshape shownl in Figs. 2 and 3, with the ends overlapped, as indicated at 11 in Fig. 1. I preferably make the cushioning member 9. of a single elongated sheet, wrapping folded'around the protecting member 8, as

clearly shown in Fig. 3, and as indicated by l"n1'1merals12 and 1 3. The particular form.

ofthe cushioning members 9, 12 and 13 may correspond to the desires'of the manufac-A turerS-or users ofA the device.

I also preferably provide a covering 14' to envelop the inner tube 6, cushioning member 9 -and protecting member 8, las

velop 14 may be made of a sheet of thin rubber, or the like, placed around these parts with its edges secured together, as

indicated at l5, Figs. 2 and 3, so asto form' -dirt-tight joints.

y'member 8 directly between the innertube' 6 and the casing 5. However, it will be ap'- parentl that the cushioning material .9 may be used also' in conventional tires which are 'clearly indicated in Figs. 2 and 3. This en` already in use by simply applying the cushioning member 9 and the protecting mem- `limited to the, precise details of construetions set forth, but desire to avail myself of such variations and modifications as fall within the scope of the appended claims'. I claim:

1. A vehicle tire comprising a casing; an

Vinner tube in the casing; a fiber-protecting member between the casing and the inner tube having its longitudinal edges vspaced apart; a cushion strip having one portion disposed between the casing and said member, a portion extending between the longitudinal edges of said member, and the remaining portion disposed between said member and the inner tube; and an envelop inclosing the inner tube, said member and cushion strip.

2. A vehicle tire eomprlslng a casing; an

inner tube in the casing; a fiber-protecting member between the casing and the inner.

tube having its longitudinal edges spaced apart; a cushion strip having one portion disposed 4between the casing and said member, a portion extending between the longitudinal edges of said member, and the remaining portion disposed between said member and the inner tube; and an elongated rubber covering sheet disposed around and inclosing the protecting member, inner tube and cushion strip witliits edges secured together forming dirt-tight joints.

3. A vehicle tire comprising an inner disposed in two eonivolutions around said inner tube; a liber shield of sheet material disposed 4between the two eonvolutions of said cushion member, the latter having a portion extending between the longitudinal tu-be; a cushion mem'ber of sheet material edges of said shield; and a thin flexible cov; .l

ering extending around and sealing up said inner tire, cushion member and liber shieldwj4 In testimon)v whereof I have signed 'n1 name to this specificationv this 10th December, A. D. 1917.

JAMES F. ROBINSON.

day offA i 

